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Marijuana Remains in Breast Milk for More Than 6 Weeks

Marijuana Remains in Breast Milk for More Than 6 Weeks

Diana Swift | March 22, 2021

Tetrahydrocannabinol, or THC, the main psychoactive component of marijuana, remains detectable in breast milk for weeks,. new data shows.

The estimated half-life of THC in breast milk is 17 days, according to the study results, and could remain for more than 6 weeks.

“To limit THC effects on fetal brain development and promote safe breastfeeding, it is critical to emphasize marijuana abstention both early in pregnancy and post-partum,” Erica M. Wymore, MD, , an assistant professor of pediatrics and neonatology at the University of Colorado in Aurora, and colleagues wrote. The group published their results online March 8 in JAMA Pediatrics.

Marijuana Remains in Breast Milk for More Than 6 Weeks






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